簽到天數: 1650 天 [LV.Master]伴壇終老
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老農民版夜神月|2021-2-16 21:47
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本帖最後由 老農民版夜神月 於 2021-2-16 22:02 編輯
TCFA 報文與圖
WTPN21 PGTW 161400
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 91W)//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
130 NM EITHER SIDE OF A LINE FROM 7.3N 135.0E TO 7.9N 131.0E
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 15 TO 20 KNOTS. METSAT
IMAGERY AT 161200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 7.4N 134.7E. THE SYSTEM IS MOVING WESTWARD AT 09 KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 91W) PREVIOUSLY LOCATED
NEAR 7.3N 135.6E IS NOW LOCATED NEAR 7.4N 134.7E, APPROXIMATELY 15
NM EAST OF BABELTHUAP, PALAU, FSM. ANIMATED ENHANCED INFRARED (IER)
SATELLITE IMAGERY AND A 160927Z SSMIS 91GHZ SATELLITE IMAGE DEPICT
FORMATIVE CONVECTIVE BANDING BEGINNING TO WRAP INTO AN OBSCURED LOW
LEVEL CIRCULATION CENTER (LLCC). INVEST 91W IS IN A FAVORABLE
ENVIRONMENT FOR DEVELOPMENT WITH LOW TO MODERATE (10-20 KT) VERTICAL
WIND SHEAR (VWS), GOOD POLEWARD OUTFLOW, AND WARM (29-30C) SEA
SURFACE TEMPERATURES (SST). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT
91W WILL STRENGTHEN AND CONSOLIDATE AS IT TRACKS WEST-NORTHWESTWARD.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
171400Z.//
NNNN TPPN10 PGTW 161213
A. TROPICAL DISTURBANCE 91W (OVER PALAU)
B. 16/1150Z
C. 7.42N
D. 134.46E
E. FIVE/HMWRI8
F. T1.0/1.0 STT: D0.5/03HRS
G. IR/EIR
H. REMARKS: 38A/PBO SBC/ANMTN. CNVCTN WRAPS .25 ON LOG10 SPIRAL
YIELDING A DT OF 1.0MET AND PT AGREE. DBO DT.
I. ADDITIONAL POSITIONS: NONE
YOUNG
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